[–] 5 points 2 days ago

And this can presumably hopefully finally fucking condemn hamachi to the grave, maybe?


Forward local ports to a tailcat server

To make ports served by a tailcat server available as ordinary local TCP ports (for browsers, database clients, or other tools that do not support SOCKS or stdio), run forward with the server's tailcat address:

$ tailcat serve 8080,3306
# 🐈 Server listening with new address: tcXXXXXXXXX

$ tailcat forward tcXXXXXXXXX 18080:8080 3306

A local port of 0 asks the operating system for a free port; each listener prints its address once it's listening.

To forward local ports to assets on the network reachable by an exit-node server, run the server in exit-node mode and specify each remote IP address and port in the mapping:

$ tailcat serve exit-node
# 🐈 Server listening with new address: tcXXXXXXXXX

$ tailcat forward tcXXXXXXXXX \
    3001:172.23.52.30:3001 \
    17170:172.23.52.31:17170

This forwards 127.0.0.1:3001 to 172.23.52.30:3001 and 127.0.0.1:17170 to 172.23.52.31:17170 through the exit-node server.

By default, listeners bind to 127.0.0.1 and diagnostic logs are suppressed. Pass --verbose before the subcommand to enable verbose networking logs. Use --bind=0.0.0.0 only when clients on other machines should be able to connect:

$ tailcat forward --bind=0.0.0.0 tcXXXXXXXXX 18080:8080

Press Ctrl-C to stop forwarding.

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  • [–] 10 points 2 days ago* (1 child)

    Okay so i think this section is one of the most useful ones for a normal user:


    Send and receive files

    To receive files, run a drop box and share the printed tailcat address:

    $ tailcat recv ~/inbox
    # 🐈 Server listening with new address: tcXXXXXXXXX
    

    The sender then runs:

    $ tailcat cp report.pdf tcXXXXXXXXX:
    

    tailcat cp runs the system scp with the connection routed through tailcat, so you get its usual progress display, and -r for directory trees. The drop box is write-only: senders can't list the directory, read anything back, or touch existing files.

    To offer files instead, serve a directory read-only (the default) or read-write:

    $ tailcat serve files                  # current directory, read-only
    $ tailcat serve --files=/pub:rw files  # a given directory, read-write
    
    $ tailcat ls -l tcXXXXXXXXX
    $ tailcat cp tcXXXXXXXXX:report.pdf .
    
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  • [–] 5 points 2 days ago

    "like netcat" huh, i wonder what netcat is..

    "netcat (often abbreviated to nc) is a computer networking utility for reading from and writing to network connections using TCP or UDP. The command is designed to be a dependable back-end that can be used directly or easily driven by other programs and scripts. At the same time, it is a feature-rich network debugging and investigation tool, since it can produce almost any kind of connection its user could need and has a number of built-in capabilities."

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